GB721106A - Improvements in or relating to frequency-stabilized oscillator circuit arrangements - Google Patents

Improvements in or relating to frequency-stabilized oscillator circuit arrangements

Info

Publication number
GB721106A
GB721106A GB13524/53A GB1352453A GB721106A GB 721106 A GB721106 A GB 721106A GB 13524/53 A GB13524/53 A GB 13524/53A GB 1352453 A GB1352453 A GB 1352453A GB 721106 A GB721106 A GB 721106A
Authority
GB
United Kingdom
Prior art keywords
frequency
tube
grid
condenser
amplifier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB13524/53A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB721106A publication Critical patent/GB721106A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
    • H03L7/12—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a scanning signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/20—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a harmonic phase-locked loop, i.e. a loop which can be locked to one of a number of harmonically related frequencies applied to it

Landscapes

  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
GB13524/53A 1952-05-17 1953-05-14 Improvements in or relating to frequency-stabilized oscillator circuit arrangements Expired GB721106A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL721106X 1952-05-17

Publications (1)

Publication Number Publication Date
GB721106A true GB721106A (en) 1954-12-29

Family

ID=19816700

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13524/53A Expired GB721106A (en) 1952-05-17 1953-05-14 Improvements in or relating to frequency-stabilized oscillator circuit arrangements

Country Status (6)

Country Link
US (1) US2775703A (nl)
BE (1) BE519977A (nl)
DE (1) DE936881C (nl)
FR (1) FR1077341A (nl)
GB (1) GB721106A (nl)
NL (2) NL85193C (nl)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL200687A (nl) * 1955-09-23
US2833923A (en) * 1955-10-13 1958-05-06 Gen Electric Hunting a. f. c. system
US2874292A (en) * 1956-05-21 1959-02-17 Skyline Products Inc Emergency signaling device
US2972720A (en) * 1957-09-24 1961-02-21 Westinghouse Electric Corp Automatic frequency control apparatus
DE1194463B (de) * 1961-09-05 1965-06-10 Siemens Ag Frequenzregelschaltung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2268872A (en) * 1939-07-11 1942-01-06 Hewlett Packard Co Variable frequency oscillation generator
NL63645C (nl) * 1940-02-29
US2434294A (en) * 1943-10-22 1948-01-13 Sperry Gyroscope Co Inc Frequency control system
NL77909C (nl) * 1946-09-20
BE488124A (nl) * 1948-03-27
US2601436A (en) * 1948-04-17 1952-06-24 Hartford Nat Bank & Trust Co Frequency control apparatus
US2631239A (en) * 1950-02-01 1953-03-10 Lower Jack Wesley Automatic frequency control system

Also Published As

Publication number Publication date
NL169676B (nl)
DE936881C (de) 1955-12-22
FR1077341A (fr) 1954-11-05
BE519977A (nl)
US2775703A (en) 1956-12-25
NL85193C (nl)

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